Fluctuans
H. fluctuans
A stunning species, parent to Sagae and a growing list of cultivars.

Alternative: h. 'Emerald Emperor'
Plant Size
  Large: 25" x 54"  
Leaf
  13" x 10"; green - unusual colouration  
Flower
  Pale lavender  
Parentage
  Species  
FluctuansFluctuans